Builder mechanism for spinning or winding machines



. July 20 1926.

., H. A. LEONARD BUILDER MECHANISM EOR SPINNING OR WINDING MACHINES Filed Feb. 9, 1926 2 Sheets-Sheet 1 //VVEN 7'01? J M-7 a Q BY rron/vs Wu. U ilJL July 20, 1926. 1,593,182

H. A. LEONARD MECHANISM FOR SPINNING 0R WINDING MACHINES Filed Feb. 9, 1926 BUILDER 2 Sheets-Sheet 2 I nvVEA/T R ATTORNEY Patented July 20, 1926.

FFICE.

HARRY A. LEGNARB, OF HOIPEDALE, MASSACHUSETTS, ASSIGNOR '10 DRAPER COR- PORATION, OF HOPEDALE, MASSACHUSETTS, A CORPORATION OF MAINE.

BUILDER IVIECHANISM FOB SPINNING OR WINDING- MACHINES.

Application filed February This invention relates to machines for winning yarn on bobbins or receivers and is more particularly directed to the means for laying preliminary windings or a bunch upon the bobbins or receivers at the commencen'ient of the windings.

In looms of the feeler type, which are now extensively used, it is the practice to replenish the filling prior to complete exhaustion of that in the shuttle, and such replenislnnent may be effected either by substituting other filling in the shuttle or by changing the shuttle itself. In order that perfect cloth may be woven, however, it is necessary that the final piclr prior to replenishment shall be a full pick, that is, that afull length of filling be laid throughout the length of the shed, and to this end it has been usual to cause the feeler mechanism in the loom to call for a change of filling when there is sufficient yarn or filling in the shuttie to provide a full final pick.

An important feature of the present invention, therefore, consists of means for providing the filling carriers or bobbins with a reserve supply of filling, sufficient in amount to insure a final perfect pick, and to wind the reserve supply upon the filling carriers or bobbins without substantial traverse, and upon the finish of such preliminary windings to resume service traverse.

A machine operating on this general principle is shown and described in the patent to Harry A. Leonard, No. 1,412,808, dated April 11, 1922, and the machine of the patent has been practical and successful. Where, however, the preliminary windings are dependent upon a manual operation by the machine attendant after the machine has been supplied with a fresh set of bobbins, it may happen at times that the machine attendant will fail to manipulate the manual controlling device and start the machine with full service traverse, the result being that no preliminary windings or bunch will. be placed upon the yarn receivers or bobbins.

An important feature of the invention therefore consists in means for preventing the machine from being started by the attendant until the controlling means for forming the preliminary windings or bunch has been manipulated, thereby insuring that upon startin the machine, a series of preliminary windings or a bunch will be 9, 1926. sci-n1 No. 87,052.

placed upon the bobbins or receivers prior to the commencement of regular service traverse. 7 i

The invention and novel features and new combination of parts will best be made clear from the following description and the accompanying drawings of one good form thereof.

In the drawings Fig. 1 is a front view of a woolen or worsted spinningframe containing the present invention, some of the parts being broken away for clearness of illustration;

Fig. 2 is an end View of the same machine provided with the present invention; and

Fig. 3 is an enlarged detail View, partly in section, showing one good form of means for suspending the operation of the traversing mechanism during preliminary windings, and upon the completion thereof to automatically resume service traverse.

The invention is herein shown and described in connection with a woolen or worsted spinning frame, but it is to be understood that it is not necessarily limited thereto but may be employed in other spinning or winding machines.

The machine frame may be of usual construction and as herein shown comprises the end frames 1, only one of which is shown, which are connected by the cross-girths 2 above which is the rail 3 on which the yarn receivers or bobbins 4 may be mounted, and such rail may be given a traversing movement relative to the caps 5 for guiding the yarn to the yarn receivers.

Extending downwardly from the rail 3 are the lifting rods 6 which are connected at their lower ends to a chain 7 associated with a longitudinally movable rail 8 which has imparted thereto longitudinal movements, as usual in this class of machines.

The traversing movement is imparted to the longitudinally movable rail 8 by meansof atraversing mechanism. In the present instance of the invention, the traversing mechanism comprises the swinging arm 9 pivotally supported upon the machine frame at 10 and having a roller 11 which bears upon the builder cam 12, and riding upon the flat face 13 of the swinging arm 9 is a roller 14 connected to the traversing screw 15 to impart thereto and to the longitudinally movable rail 8 the desired traversing movement for the yarn guiding means. The

mechanism so far described is not new and is now well understood in the 'art, so that further description thereof is unnecessary.

The 'builderwcam 12 is-mounted upon the cam shaft 16 and zrotates therewith under the influence of the cam shaft operating means. Such operating =mea ns as shown comprises the belt pulley 1'7 which may be driven from any suitable source of power, and has connected therewith the gear 18 meshing with "the gear 19, on the hub portion of which is' a worm 20. Loosely mounted on the cam shaft 16 is a Worm Wheel '21 which is preferably placed upon the camshaft i'adjac'ent one of the shaft bearings "22', and such worm wheel is engaged with the worm '20, the construction being such that upon operation of the pulley 17 the worm wheel 21 will be rotated.

'The hub portion'23 ofthe worm wheel 21, Fig. '3, isprovidedwvith a clutch member adapted at times .to be "operatively connected to anassociated clutch'member which is mounted upon the cam shaft for rotative movement therewith. In the present instance, the hub portion 23 of.the worm wheel '21'is provided with .a pin 24 which is adapted to'engage with 'arecess oropening 25 in a clutch member-26 mounted upon a hub portion 27 o'f a" collar .28 secured to the cam shaft 1.6- by a "pin or set screw .29, and the clutch "member- 26 .is normally under the inliuence of aspring-30interposed between it and thecollar 28, the construction being suchthat when "the pin 24 and opening 25 are in alignment,they will beengaged under the influence o fthe spring 30. The clutch meniber=26 is'splined to the hub portion 27 of the collar 28 by a key 31, Fig. '3, so that while the clutch member 26 is movable towards 'andfrom the hub p'ortion'23 of the worm wheel, it nevertheless rotates *with or imparts rotative move ment to the cam shaft '16.

The clutch member 26 has a circular groove 32 in which is engaged the pins 33 carried by a yoke member '34: pivotally mounted-atB-S' 'to a-bracket'Sb secured to the side frame 1 of the "machine, and extending upwardly and 'outwardly from the pivotal mounting-35 ofthe yoke is a hand-piece 37 which may be manually operated to disengage the clutch -Inenibers, thereby permitting the cam shaft 16 to remain at "rest.

W'Vhen a'set of bobbins-or carriers'has been fully wound, it is "the usual practice to lower the rail 3fordoifing and'permit a new set of bobbins =or yarn-carriers to be placed uponthe spindles. In the operation of applicants invention, --'and before commencing to wind a fresh set of bobbins, the machine attendant manually operates the hand piece or lever 37 thereby in'oving the clutch member 26 longitudinally of :the shaft 16, thus-disengaging the clutch memunder the stress of the weight pressing against the swinging arm 9 the traverse cam 12is given a slight rotative movement which is imparted to the cam shaft 16, thereby carrying the end of the pin 2-1, which has been disengaged from the opening in the clutch member 26, to one side of said opening 25, so that the end of the'pin rests upon the adjacent plane face of the clutch member 26, and the traversing cam 12 is thus disconnected from the driving means including the worm wheel '21, and remains at rest when the machine is started. Should the machine attendant, however, fail'to manipulate the hand piece 37 before he starts the machine, .the traversing cam will remain in action and regular traverse will be commenced at once, so that no preliminary windings or"bunch will be placed upon the filling carriers or bobbins.

It is one of the purposes of the present invention to require the machine attendant to manipulate the hand piece 87 and thus disconnect the traverse cam from its operat ing means before he can start the machine, so that all danger of winding filling carriers or bobbins without bunches is avoided.

Machines of the general type herein shown are usually provided at the upper part of the side member 11 of the machine with a mach inc starting mechanism, and the present invention provides a lock associated with the hand piece 37 so that the machine attendant cannot manipulate the starting rod or starting mechanism to start the machine without first manipulating the hand piece 37 to disconnect the traverse cam from its driving means.

Mounted upon the side frame 1, preferably at the upper part thereof, is a bracket 39 having a foot portion 40 to which is se cured a bracket or supporting member l1 by means such as a bolt 42. Extending through the riser l?) of the bracket ll and the bracket- 39 is a starting member confined from longitudinal movement by a collar 4-5, and the starting member 4 1 is provlded with a hand wheel 16, so that it nay be turned without longitudinal movement. The inner end portion of the starting member 4% is supported by a bracket 47 secured to the bracket l1, indicated in Fig. 1, and between the brackets 2-39 and i? the starting iember let is provided with a screw thread 41-8 which engages a corresponding screw thread in a starting slide to which is connected the starting rod 50, the construction being such that should the slide 49 be moved to the left, Fig. 1, it will correspondingly move the starting rod 50 and cause the machine to operate, it is being understood that the starting rod 50 is associated with either a belt shifter or a clutch mechanism, as usual, for throwing power onto the machine.

The bracket 41 is provided with a slot 51, and pivotally supported upon the bracket at 52 is a lock 53 which may be variously contrived, but is herein shown as a bell crank lever. The lock 53 is normally under the influence of a spring 54; for throwing the lock 53 into its locking position, as indicated in Fig. 1, a position it will assume automatically when the machine is stopped. This relation of parts is indicated in Fig. 1.

Connected to the downwardly extending arm 55 of the lock is a chain or flexible connection 56 leading to the hand piece 37. In the present instance of the invention, the flexible connection 56 passes over a guide pulley 57 at the top of the end frame, and then over a guide pulley 58 adjacent the hand piece 37, and from there the flexible connection leads to the hand piece where it is secured thereto at 59. The guide pulley 58 may be conveniently secured to the end frame 1, as at 60.

After the machine has been stopped and the bobbins or carriers doifed, as usual, and it is desired to start the machine with a fresh set of filling carriers or bobbins to first wind the bunch or preliminary windings, the machine attendant must first manipulate the hand piece 37 to disconnect the traverse cam 12 from its operating means, thereby tripping the lock 53 from in front of the slide 49 so that the latter may then be moved to the left, Fig. 1, to start the machine. Should the machine attendant fail to manipulate the hand piece 37, he cannot start the machine because of the lock 53 which must be disengaged from its locking position, as indicated in Fig. 1, and such disengaged position is reached by manipulation of the hand piece 37 which insures that upon starting the machine the bobbins or carriers will first be supplied with preliminary windings of substantially no traverse. During the formation of the reserve supply or preliminary winding, the end of the sin 24 rides over the face of the clutch mem or 26 and upon the completion of such preliminary windings when the pin 24 has again assumed the position opposite the 0pening 25 of the clutch member 26, the the spring 30 will automatically engage the clutch members, whereupon the traverse cam 12 will be operated to lay the windings upon the bobbins or carriers with a service traverse. The machine is thus rendered fool proof to the extent that it cannot be started to wind the yarn upon the filling carriers or bobbins without first disengaging the clutch members to permit the traverse cam to remain at rest and effect pre liminary windings upon the filling carriers or bobbins.

What is claimed is 1. In a yarn winding or spinning machine, the combination of yarn guides for directing yarn to yarn receivers, a traversing mechanism for imparting a traverse movement to the yarn guides, a device susspending the operation of the traversing mechanism to wind yarn upon the yarn receivers without substantial traverse, machine starting mechanism, and connections between the starting mechanism ant sus pending device to prevent starting the machine until the suspending device has been actuated.

2. In a yarn winding or spinning machine, the combination of yarn guiding means for directing yarn to yarn receivers, a traversing mechanism for imparting a traverse movement to the yarn guiding devices, means for suspending the operation of the traversing mechanism to wind yarn upon the yarn receivers without substantial traverse, neans for automatically reinstating the operation of the traversing mechanism upon completion of the winding of yarn without traverse, machine starting mechanism, and connections between the starting mechanism and suspending devices to pre vent starting the machine until the suspending means has been actuated,

3. In a yarn winding and spinning machine, the combination of yarn guiding means, traversing mechanism therefor, machine starting means, a manually operated "LII till

device for suspending the operation of the traversing mechanism to lay preliminary winding upon yarn receivers without traverse, and a locking device for the starting means to lock it from movement to starting position, connected to the manually operated device to prevent starting the machine until the manually operated device has been moved to suspend the action of the traversing mechanism.

4. In a yarn winding and spinning machine, the combination of yarn guiding means, traversing mechanism therefor, machine starting means, a manually operated device for suspending the operation of the traversing mechanism to lay preliminary winding upon yarn receivers without traverse, a locking device for the starting means connected to the manually operated device to prevent starting the machine until the manually operated device has been moved to suspend the action of the traversing mechanism, and means acting automatically to reinstate the operation of the traversing mechanism upon completion of the winding of yarn without traverse.

5. In a machine of the character described, the combination of yarn guides, traversing mechanism therefor, a manually operated throw out device "for rendering the traversing mechanism inoperative before starting the machine to lay preliminary winding on yarn receivers, starting mechanisms for the machine, a lock for locking the starting mechanism. in stop position, and connections between the loci: and said throw out device to prevent starting the machine until after said throw outdevice has been operated to render the traversing mechanism inoperative.

6. In a machine of the character described, the combination of yarn guides, traversing mechanism therefor, a throw out device for rendering tne traversing mechanism. inoperative before starting the machine to lay preliminary winding on yarn receivers, starting mechanism for the machine, a lock for the starting mechanism, to prevent movement thereof to starting position, connections between the lock and said throw out device to prevent starting the machine until after said throw out device has been operated to render tae traversing mechanism inoperative, and means for automatically rendering the traversing mechanism operative on completion of the preliminary windings.

7. In a machine or the character described, the combination of yarn receivers, yarn guides for directing yarn to the yarn receivers, a builder arm, a builder cam, means for rotating the builder cam to effect traverse of the yarn guides, a manually operated device for suspending operation of the builder cam to wind a reserre supply of yarn on the yarn receivers without traverse when the machine is started, starting mechanism for the machine, and a lock for looking the starting mechanism from movement to starting position connected to the said manually operated device to prevent starting the machine until after the cam is disconnected lrom its operating means.

8. In a machine of the character de scribed, the combination of yarn guides, a builder arm, a builder cam, a cam shaft carrying said cam, clutch members for connecting the cam shaft to its operating means, a manually controlled arm for di engaging the clutch members, starting means for the machine, a lock to prevent starting the vmachine,.and a trip for the lock connected to the manually controlled arm to aermit the machine to be started only after manual disengagement ol'the clutch members.

9.111 a machine of the character described, the combination of yarn guides, a builder arm, a builder cam, a cam shalt carrying saidcam, clutch members tor/connecting the cam shaft to its operating means, a manually controlled arm for disengaging the clutch members, starting means for the machine, a lock to prevent starting the machine, a trip for the lock connected to .the manually controlled arm to permit the machine to be startedonly after manual disengagement of the clutch memers, and means tor reengaging the clutch members to operate the cam after one revolution of one of the clutch members.

10. In a builder mechanism, the combi nation of a builder arm, a cam for actuating the arm, a cam shaft carrying the cam, a worm wheel loose on the cam shaft and having a clutch member, a second clutch member rotatable with the cam shaft and movable longitudinally thereof, manual means for disengaging the clutch members, starting mechanisnrfor the machine, means for locking the starting mechanism, and connections between the locking means and said manual means for tripping the look by operation oi the manual means.

11. In a builder mechanism, the combination of a builder arm, a cam for actuating the'arm, a cam shaft carrying the cam, a worm wheel loose on the cam shaft and having a clutch member, asecond clutch member rotatable with the cam shaft and movable longitudinally thereof, manual means for disengaging the clutch members, starting mechanism for the machine, means for locking the starting mechanism, connections between the locking means and said manual means for tripping the look by oper ation 01" the manual means, and means for automatically reengaging the clutch members after a predetermined relative movement thereof.

In testimony whereof, I have signed my name to this specification.

HARRY A. LEONARD. 

